River NY NJ

Whippany River

New York • 40.8153, -74.4351

Length

21 mi

33 km

Elevation

603′ → 167′

436 ft drop

Stream Order

6

Large River

Slope

0.40%

21.0 ft/mi

Drainage

64 mi²

165 km²

Avg Flow

137 cfs

1.3 mph velocity

Path to Mouth

101 mi

162 km to ocean

Classification

Headwater

Source Stream

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

EPA WQP MyWaterway

Data from USGS & NOAA for informational purposes only. More